she's never been in trouble with the law before. but she is now behind bars. she's charged with lying to authorities investigating the murder of university of new hampshire student lizzie marriott in october. the 19-year-old's disappearance sent chills through the campus. this actor and martial arts instructor is charged with second-degree murder for allegedly killing marriott. authorities blame mcdonough, the girlfriend at the time, for lying to them about that critical search window. >> she gave a statement to investigators investigating miss marriott's disappearance. and gave a false alibi as to her whereabouts on the day in question, october 9th. and gave a false statement on their actions that night. >> reporter: refusing to xhe comment. >> you can talk to my attorney. >> reporter: mcdonough knew lizzie marriott by working with her. the details against her ex-boyfriend have been sealed. mcdonough's attorney successfully argued to have her bail reduced. reminding the court, she's not charged with murder. her ex-boyfriend is. >> as i read the complaints, co